Quarter	US Dollars, Sum Over Component Sub-periods
1994-01-01	0
1994-04-01	0
1994-07-01	0
1994-10-01	0
1995-01-01	0
1995-04-01	0
1995-07-01	0
1995-10-01	0
1996-01-01	0
1996-04-01	0
1996-07-01	0
1996-10-01	0
1997-01-01	0
1997-04-01	0
1997-07-01	0
1997-10-01	0
1998-01-01	0
1998-04-01	0
1998-07-01	0
1998-10-01	0
1999-01-01	0
1999-04-01	0
1999-07-01	0
1999-10-01	0
2000-01-01	0
2000-04-01	0
2000-07-01	0
2000-10-01	0
2001-01-01	0
2001-04-01	0
2001-07-01	0
2001-10-01	0
2002-01-01	-1000000
2002-04-01	-1000000
2002-07-01	3000000
2002-10-01	12000000
2003-01-01	107000000
2003-04-01	47000000
2003-07-01	123000000
2003-10-01	362000000
2004-01-01	-37000000
2004-04-01	-186000000
2004-07-01	35000000
2004-10-01	89000000
2005-01-01	-90000000
2005-04-01	-154000000
2005-07-01	-6000000
2005-10-01	17000000
2006-01-01	4000000
2006-04-01	-42000000
2006-07-01	-62000000
2006-10-01	1000000
2007-01-01	22000000
2007-04-01	-100000000
2007-07-01	79000000
2007-10-01	330000000
2008-01-01	253000000
2008-04-01	-5000000
2008-07-01	-401000000
2008-10-01	-1216000000
2009-01-01	-3052000000
2009-04-01	-314000000
2009-07-01	135000000
2009-10-01	-13000000
2010-01-01	-915000000
2010-04-01	-939000000
2010-07-01	492000000
2010-10-01	-480000000
2011-01-01	800000000
2011-04-01	294000000
2011-07-01	-1475000000
2011-10-01	-1014000000
2012-01-01	169000000
2012-04-01	-1571000000